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[Quantitative analysis of myocardial revascularization on left ventricular diastolic function]
[Zasshi] [Journal]. Nihon Kyobu Geka Gakkai
|July 1, 1989
Summary
Myocardial revascularization improved left ventricular diastolic function in patients without prior heart attack. However, it did not enhance diastolic function in those with previous myocardial infarction.
Area of Science:
- Cardiology
- Cardiac Surgery
- Cardiovascular Physiology
Context:
- Left ventricular diastolic dysfunction is a key indicator of cardiac health.
- Myocardial revascularization aims to improve overall cardiac function.
- Assessing diastolic function post-revascularization is crucial for treatment evaluation.
Purpose:
- To investigate the impact of myocardial revascularization on left ventricular diastolic function.
- To compare outcomes in patients with and without prior myocardial infarction.
- To determine if surgical revascularization improves specific diastolic parameters.
Summary:
- Diastolic function was assessed using maximum negative dp/dt, constant T, diastolic compliance, and 1/3 fractional filling.
- No significant improvements in constant T, maximum negative dp/dt, or diastolic compliance were observed post-surgery.
- 1/3 fractional filling improved in patients without prior myocardial infarction but remained unchanged in those with prior infarction.
Impact:
- Myocardial revascularization effectively enhances left ventricular diastolic function in patients without a history of myocardial infarction.
- Surgical revascularization does not appear to improve left ventricular diastolic function in patients with prior myocardial infarction.